Finding the Third Proportional to 152.30 and 304.17

Step by Step Solution

1. Step 1: Write the proportion equation
   152.30 : 304.17 = 304.17 : x
2. Step 2: Convert to fraction form
   152.30/304.17 = 304.17/x
3. Step 3: Cross multiply
   152.30x = 304.17 × 304.17
4. Step 4: Simplify right side
   152.30x = 92,520.53
5. Step 5: Solve for x
   x = 92,520.53/152.30
6. Step 6: Final answer
   x = 607.50